What is a two-way plus intermediate switching circuit? - Quora
Intermediate light switch problem | DIYnot Forums
1 Way vs 2 Way vs Intermediate Light Switch - Elesi Blog
3 way switched lighting circuits
BG 813 1 Gang Intermediate Light Switch 10 amp. BG Nexus | Socket World
Retrotouch Black Intermediate Light Switch (1 Gang/Plain) - SKU00204
How to wire a light switch | Downlights.co.uk
What is an intermediate switch? from G&H Electrical Accessories
Intermediate light switch help, can the switch in the second picture replace the one in the first pic? No wiring instructions came with it and the markings on the screw terminals are